aboutsummaryrefslogtreecommitdiffstats
path: root/net/ieee802154
diff options
context:
space:
mode:
Diffstat (limited to 'net/ieee802154')
-rw-r--r--net/ieee802154/6lowpan/Kconfig2
-rw-r--r--net/ieee802154/6lowpan/core.c11
-rw-r--r--net/ieee802154/6lowpan/reassembly.c3
-rw-r--r--net/ieee802154/6lowpan/rx.c6
-rw-r--r--net/ieee802154/Kconfig6
-rw-r--r--net/ieee802154/netlink.c7
-rw-r--r--net/ieee802154/nl-mac.c19
-rw-r--r--net/ieee802154/nl-phy.c11
-rw-r--r--net/ieee802154/nl802154.c89
-rw-r--r--net/ieee802154/socket.c94
10 files changed, 161 insertions, 87 deletions
diff --git a/net/ieee802154/6lowpan/Kconfig b/net/ieee802154/6lowpan/Kconfig
index d1b4655a6d43..e808e4db2678 100644
--- a/net/ieee802154/6lowpan/Kconfig
+++ b/net/ieee802154/6lowpan/Kconfig
@@ -2,5 +2,5 @@
config IEEE802154_6LOWPAN
tristate "6lowpan support over IEEE 802.15.4"
depends on 6LOWPAN
- ---help---
+ help
IPv6 compression over IEEE 802.15.4.
diff --git a/net/ieee802154/6lowpan/core.c b/net/ieee802154/6lowpan/core.c
index c0b107cdd715..2c087b7f17c5 100644
--- a/net/ieee802154/6lowpan/core.c
+++ b/net/ieee802154/6lowpan/core.c
@@ -47,6 +47,7 @@
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/ieee802154.h>
+#include <linux/if_arp.h>
#include <net/ipv6.h>
@@ -58,6 +59,13 @@ static const struct header_ops lowpan_header_ops = {
.create = lowpan_header_create,
};
+static int lowpan_dev_init(struct net_device *ldev)
+{
+ netdev_lockdep_set_classes(ldev);
+
+ return 0;
+}
+
static int lowpan_open(struct net_device *dev)
{
if (!open_count)
@@ -89,6 +97,7 @@ static int lowpan_get_iflink(const struct net_device *dev)
}
static const struct net_device_ops lowpan_netdev_ops = {
+ .ndo_init = lowpan_dev_init,
.ndo_start_xmit = lowpan_xmit,
.ndo_open = lowpan_open,
.ndo_stop = lowpan_stop,
@@ -149,7 +158,7 @@ static int lowpan_newlink(struct net *src_net, struct net_device *ldev,
lowpan_802154_dev(ldev)->wdev = wdev;
/* Set the lowpan hardware address to the wpan hardware address. */
- memcpy(ldev->dev_addr, wdev->dev_addr, IEEE802154_ADDR_LEN);
+ __dev_addr_set(ldev, wdev->dev_addr, IEEE802154_ADDR_LEN);
/* We need headroom for possible wpan_dev_hard_header call and tailroom
* for encryption/fcs handling. The lowpan interface will replace
* the IPv6 header with 6LoWPAN header. At worst case the 6LoWPAN
diff --git a/net/ieee802154/6lowpan/reassembly.c b/net/ieee802154/6lowpan/reassembly.c
index bbe9b3b2d395..a91283d1e5bf 100644
--- a/net/ieee802154/6lowpan/reassembly.c
+++ b/net/ieee802154/6lowpan/reassembly.c
@@ -130,6 +130,7 @@ static int lowpan_frag_queue(struct lowpan_frag_queue *fq,
goto err;
fq->q.stamp = skb->tstamp;
+ fq->q.mono_delivery_time = skb->mono_delivery_time;
if (frag_type == LOWPAN_DISPATCH_FRAG1)
fq->q.flags |= INET_FRAG_FIRST_IN;
@@ -195,7 +196,7 @@ static int lowpan_frag_rx_handlers_result(struct sk_buff *skb,
net_warn_ratelimited("%s: received unknown dispatch\n",
__func__);
- /* fall-through */
+ fallthrough;
default:
/* all others failure */
return NET_RX_DROP;
diff --git a/net/ieee802154/6lowpan/rx.c b/net/ieee802154/6lowpan/rx.c
index ee179380a766..517e6493f5d1 100644
--- a/net/ieee802154/6lowpan/rx.c
+++ b/net/ieee802154/6lowpan/rx.c
@@ -35,11 +35,11 @@ static int lowpan_rx_handlers_result(struct sk_buff *skb, lowpan_rx_result res)
net_warn_ratelimited("%s: received unknown dispatch\n",
__func__);
- /* fall-through */
+ fallthrough;
case RX_DROP_UNUSABLE:
kfree_skb(skb);
- /* fall-through */
+ fallthrough;
case RX_DROP:
return NET_RX_DROP;
case RX_QUEUED:
@@ -240,7 +240,7 @@ static inline bool lowpan_is_reserved(u8 dispatch)
return ((dispatch >= 0x44 && dispatch <= 0x4F) ||
(dispatch >= 0x51 && dispatch <= 0x5F) ||
(dispatch >= 0xc8 && dispatch <= 0xdf) ||
- (dispatch >= 0xe8 && dispatch <= 0xff));
+ dispatch >= 0xe8);
}
/* lowpan_rx_h_check checks on generic 6LoWPAN requirements
diff --git a/net/ieee802154/Kconfig b/net/ieee802154/Kconfig
index 5dbbc2ca95b4..bcb05ba97686 100644
--- a/net/ieee802154/Kconfig
+++ b/net/ieee802154/Kconfig
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0-only
menuconfig IEEE802154
tristate "IEEE Std 802.15.4 Low-Rate Wireless Personal Area Networks support"
- ---help---
+ help
IEEE Std 802.15.4 defines a low data rate, low power and low
complexity short range wireless personal area networks. It was
designed to organise networks of sensors, switches, etc automation
@@ -15,13 +15,13 @@ if IEEE802154
config IEEE802154_NL802154_EXPERIMENTAL
bool "IEEE 802.15.4 experimental netlink support"
- ---help---
+ help
Adds experimental netlink support for nl802154.
config IEEE802154_SOCKET
tristate "IEEE 802.15.4 socket interface"
default y
- ---help---
+ help
Socket interface for IEEE 802.15.4. Contains DGRAM sockets interface
for 802.15.4 dataframes. Also RAW socket interface to build MAC
header from userspace.
diff --git a/net/ieee802154/netlink.c b/net/ieee802154/netlink.c
index 7fe3b6b6c495..7d2de4ee6992 100644
--- a/net/ieee802154/netlink.c
+++ b/net/ieee802154/netlink.c
@@ -81,7 +81,7 @@ int ieee802154_nl_reply(struct sk_buff *msg, struct genl_info *info)
return genlmsg_reply(msg, info);
}
-static const struct genl_ops ieee802154_ops[] = {
+static const struct genl_small_ops ieee802154_ops[] = {
/* see nl-phy.c */
IEEE802154_DUMP(IEEE802154_LIST_PHY, ieee802154_list_phy,
ieee802154_dump_phy),
@@ -130,8 +130,9 @@ struct genl_family nl802154_family __ro_after_init = {
.maxattr = IEEE802154_ATTR_MAX,
.policy = ieee802154_policy,
.module = THIS_MODULE,
- .ops = ieee802154_ops,
- .n_ops = ARRAY_SIZE(ieee802154_ops),
+ .small_ops = ieee802154_ops,
+ .n_small_ops = ARRAY_SIZE(ieee802154_ops),
+ .resv_start_op = IEEE802154_LLSEC_DEL_SECLEVEL + 1,
.mcgrps = ieee802154_mcgrps,
.n_mcgrps = ARRAY_SIZE(ieee802154_mcgrps),
};
diff --git a/net/ieee802154/nl-mac.c b/net/ieee802154/nl-mac.c
index 6d091e419d3e..29bf97640166 100644
--- a/net/ieee802154/nl-mac.c
+++ b/net/ieee802154/nl-mac.c
@@ -149,7 +149,7 @@ static struct net_device *ieee802154_nl_get_dev(struct genl_info *info)
if (info->attrs[IEEE802154_ATTR_DEV_NAME]) {
char name[IFNAMSIZ + 1];
- nla_strlcpy(name, info->attrs[IEEE802154_ATTR_DEV_NAME],
+ nla_strscpy(name, info->attrs[IEEE802154_ATTR_DEV_NAME],
sizeof(name));
dev = dev_get_by_name(&init_net, name);
} else if (info->attrs[IEEE802154_ATTR_DEV_INDEX]) {
@@ -551,9 +551,7 @@ ieee802154_llsec_parse_key_id(struct genl_info *info,
desc->mode = nla_get_u8(info->attrs[IEEE802154_ATTR_LLSEC_KEY_MODE]);
if (desc->mode == IEEE802154_SCF_KEY_IMPLICIT) {
- if (!info->attrs[IEEE802154_ATTR_PAN_ID] &&
- !(info->attrs[IEEE802154_ATTR_SHORT_ADDR] ||
- info->attrs[IEEE802154_ATTR_HW_ADDR]))
+ if (!info->attrs[IEEE802154_ATTR_PAN_ID])
return -EINVAL;
desc->device_addr.pan_id = nla_get_shortaddr(info->attrs[IEEE802154_ATTR_PAN_ID]);
@@ -562,6 +560,9 @@ ieee802154_llsec_parse_key_id(struct genl_info *info,
desc->device_addr.mode = IEEE802154_ADDR_SHORT;
desc->device_addr.short_addr = nla_get_shortaddr(info->attrs[IEEE802154_ATTR_SHORT_ADDR]);
} else {
+ if (!info->attrs[IEEE802154_ATTR_HW_ADDR])
+ return -EINVAL;
+
desc->device_addr.mode = IEEE802154_ADDR_LONG;
desc->device_addr.extended_addr = nla_get_hwaddr(info->attrs[IEEE802154_ATTR_HW_ADDR]);
}
@@ -679,8 +680,10 @@ int ieee802154_llsec_getparams(struct sk_buff *skb, struct genl_info *info)
nla_put_u8(msg, IEEE802154_ATTR_LLSEC_SECLEVEL, params.out_level) ||
nla_put_u32(msg, IEEE802154_ATTR_LLSEC_FRAME_COUNTER,
be32_to_cpu(params.frame_counter)) ||
- ieee802154_llsec_fill_key_id(msg, &params.out_key))
+ ieee802154_llsec_fill_key_id(msg, &params.out_key)) {
+ rc = -ENOBUFS;
goto out_free;
+ }
dev_put(dev);
@@ -1183,7 +1186,7 @@ static int llsec_iter_devkeys(struct llsec_dump_data *data)
{
struct ieee802154_llsec_device *dpos;
struct ieee802154_llsec_device_key *kpos;
- int rc = 0, idx = 0, idx2;
+ int idx = 0, idx2;
list_for_each_entry(dpos, &data->table->devices, list) {
if (idx++ < data->s_idx)
@@ -1199,7 +1202,7 @@ static int llsec_iter_devkeys(struct llsec_dump_data *data)
data->nlmsg_seq,
dpos->hwaddr, kpos,
data->dev)) {
- return rc = -EMSGSIZE;
+ return -EMSGSIZE;
}
data->s_idx2++;
@@ -1208,7 +1211,7 @@ static int llsec_iter_devkeys(struct llsec_dump_data *data)
data->s_idx++;
}
- return rc;
+ return 0;
}
int ieee802154_llsec_dump_devkeys(struct sk_buff *skb,
diff --git a/net/ieee802154/nl-phy.c b/net/ieee802154/nl-phy.c
index 2cdc7e63fe17..359249ab77bf 100644
--- a/net/ieee802154/nl-phy.c
+++ b/net/ieee802154/nl-phy.c
@@ -30,7 +30,7 @@ static int ieee802154_nl_fill_phy(struct sk_buff *msg, u32 portid,
{
void *hdr;
int i, pages = 0;
- uint32_t *buf = kcalloc(32, sizeof(uint32_t), GFP_KERNEL);
+ u32 *buf = kcalloc(IEEE802154_MAX_PAGE + 1, sizeof(u32), GFP_KERNEL);
pr_debug("%s\n", __func__);
@@ -47,7 +47,7 @@ static int ieee802154_nl_fill_phy(struct sk_buff *msg, u32 portid,
nla_put_u8(msg, IEEE802154_ATTR_PAGE, phy->current_page) ||
nla_put_u8(msg, IEEE802154_ATTR_CHANNEL, phy->current_channel))
goto nla_put_failure;
- for (i = 0; i < 32; i++) {
+ for (i = 0; i <= IEEE802154_MAX_PAGE; i++) {
if (phy->supported.channels[i])
buf[pages++] = phy->supported.channels[i] | (i << 27);
}
@@ -241,8 +241,10 @@ int ieee802154_add_iface(struct sk_buff *skb, struct genl_info *info)
}
if (nla_put_string(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy)) ||
- nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name))
+ nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name)) {
+ rc = -EMSGSIZE;
goto nla_put_failure;
+ }
dev_put(dev);
wpan_phy_put(phy);
@@ -338,8 +340,7 @@ nla_put_failure:
out_dev:
wpan_phy_put(phy);
out:
- if (dev)
- dev_put(dev);
+ dev_put(dev);
return rc;
}
diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c
index 7c5a1aa5adb4..38c4f3cb010e 100644
--- a/net/ieee802154/nl802154.c
+++ b/net/ieee802154/nl802154.c
@@ -820,8 +820,13 @@ nl802154_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
goto nla_put_failure;
#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ goto out;
+
if (nl802154_get_llsec_params(msg, rdev, wpan_dev) < 0)
goto nla_put_failure;
+
+out:
#endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
genlmsg_end(msg, hdr);
@@ -1293,19 +1298,20 @@ ieee802154_llsec_parse_dev_addr(struct nlattr *nla,
if (!nla || nla_parse_nested_deprecated(attrs, NL802154_DEV_ADDR_ATTR_MAX, nla, nl802154_dev_addr_policy, NULL))
return -EINVAL;
- if (!attrs[NL802154_DEV_ADDR_ATTR_PAN_ID] ||
- !attrs[NL802154_DEV_ADDR_ATTR_MODE] ||
- !(attrs[NL802154_DEV_ADDR_ATTR_SHORT] ||
- attrs[NL802154_DEV_ADDR_ATTR_EXTENDED]))
+ if (!attrs[NL802154_DEV_ADDR_ATTR_PAN_ID] || !attrs[NL802154_DEV_ADDR_ATTR_MODE])
return -EINVAL;
addr->pan_id = nla_get_le16(attrs[NL802154_DEV_ADDR_ATTR_PAN_ID]);
addr->mode = nla_get_u32(attrs[NL802154_DEV_ADDR_ATTR_MODE]);
switch (addr->mode) {
case NL802154_DEV_ADDR_SHORT:
+ if (!attrs[NL802154_DEV_ADDR_ATTR_SHORT])
+ return -EINVAL;
addr->short_addr = nla_get_le16(attrs[NL802154_DEV_ADDR_ATTR_SHORT]);
break;
case NL802154_DEV_ADDR_EXTENDED:
+ if (!attrs[NL802154_DEV_ADDR_ATTR_EXTENDED])
+ return -EINVAL;
addr->extended_addr = nla_get_le64(attrs[NL802154_DEV_ADDR_ATTR_EXTENDED]);
break;
default:
@@ -1384,6 +1390,9 @@ static int nl802154_set_llsec_params(struct sk_buff *skb,
u32 changed = 0;
int ret;
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ return -EOPNOTSUPP;
+
if (info->attrs[NL802154_ATTR_SEC_ENABLED]) {
u8 enabled;
@@ -1432,7 +1441,7 @@ static int nl802154_send_key(struct sk_buff *msg, u32 cmd, u32 portid,
hdr = nl802154hdr_put(msg, portid, seq, flags, cmd);
if (!hdr)
- return -1;
+ return -ENOBUFS;
if (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex))
goto nla_put_failure;
@@ -1490,6 +1499,11 @@ nl802154_dump_llsec_key(struct sk_buff *skb, struct netlink_callback *cb)
if (err)
return err;
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) {
+ err = skb->len;
+ goto out_err;
+ }
+
if (!wpan_dev->netdev) {
err = -EINVAL;
goto out_err;
@@ -1544,7 +1558,11 @@ static int nl802154_add_llsec_key(struct sk_buff *skb, struct genl_info *info)
struct ieee802154_llsec_key_id id = { };
u32 commands[NL802154_CMD_FRAME_NR_IDS / 32] = { };
- if (nla_parse_nested_deprecated(attrs, NL802154_KEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_KEY], nl802154_key_policy, info->extack))
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ return -EOPNOTSUPP;
+
+ if (!info->attrs[NL802154_ATTR_SEC_KEY] ||
+ nla_parse_nested_deprecated(attrs, NL802154_KEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_KEY], nl802154_key_policy, info->extack))
return -EINVAL;
if (!attrs[NL802154_KEY_ATTR_USAGE_FRAMES] ||
@@ -1592,7 +1610,11 @@ static int nl802154_del_llsec_key(struct sk_buff *skb, struct genl_info *info)
struct nlattr *attrs[NL802154_KEY_ATTR_MAX + 1];
struct ieee802154_llsec_key_id id;
- if (nla_parse_nested_deprecated(attrs, NL802154_KEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_KEY], nl802154_key_policy, info->extack))
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ return -EOPNOTSUPP;
+
+ if (!info->attrs[NL802154_ATTR_SEC_KEY] ||
+ nla_parse_nested_deprecated(attrs, NL802154_KEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_KEY], nl802154_key_policy, info->extack))
return -EINVAL;
if (ieee802154_llsec_parse_key_id(attrs[NL802154_KEY_ATTR_ID], &id) < 0)
@@ -1612,7 +1634,7 @@ static int nl802154_send_device(struct sk_buff *msg, u32 cmd, u32 portid,
hdr = nl802154hdr_put(msg, portid, seq, flags, cmd);
if (!hdr)
- return -1;
+ return -ENOBUFS;
if (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex))
goto nla_put_failure;
@@ -1656,6 +1678,11 @@ nl802154_dump_llsec_dev(struct sk_buff *skb, struct netlink_callback *cb)
if (err)
return err;
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) {
+ err = skb->len;
+ goto out_err;
+ }
+
if (!wpan_dev->netdev) {
err = -EINVAL;
goto out_err;
@@ -1742,6 +1769,9 @@ static int nl802154_add_llsec_dev(struct sk_buff *skb, struct genl_info *info)
struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
struct ieee802154_llsec_device dev_desc;
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ return -EOPNOTSUPP;
+
if (ieee802154_llsec_parse_device(info->attrs[NL802154_ATTR_SEC_DEVICE],
&dev_desc) < 0)
return -EINVAL;
@@ -1757,7 +1787,11 @@ static int nl802154_del_llsec_dev(struct sk_buff *skb, struct genl_info *info)
struct nlattr *attrs[NL802154_DEV_ATTR_MAX + 1];
__le64 extended_addr;
- if (nla_parse_nested_deprecated(attrs, NL802154_DEV_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_DEVICE], nl802154_dev_policy, info->extack))
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ return -EOPNOTSUPP;
+
+ if (!info->attrs[NL802154_ATTR_SEC_DEVICE] ||
+ nla_parse_nested_deprecated(attrs, NL802154_DEV_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_DEVICE], nl802154_dev_policy, info->extack))
return -EINVAL;
if (!attrs[NL802154_DEV_ATTR_EXTENDED_ADDR])
@@ -1778,7 +1812,7 @@ static int nl802154_send_devkey(struct sk_buff *msg, u32 cmd, u32 portid,
hdr = nl802154hdr_put(msg, portid, seq, flags, cmd);
if (!hdr)
- return -1;
+ return -ENOBUFS;
if (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex))
goto nla_put_failure;
@@ -1825,6 +1859,11 @@ nl802154_dump_llsec_devkey(struct sk_buff *skb, struct netlink_callback *cb)
if (err)
return err;
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) {
+ err = skb->len;
+ goto out_err;
+ }
+
if (!wpan_dev->netdev) {
err = -EINVAL;
goto out_err;
@@ -1882,6 +1921,9 @@ static int nl802154_add_llsec_devkey(struct sk_buff *skb, struct genl_info *info
struct ieee802154_llsec_device_key key;
__le64 extended_addr;
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ return -EOPNOTSUPP;
+
if (!info->attrs[NL802154_ATTR_SEC_DEVKEY] ||
nla_parse_nested_deprecated(attrs, NL802154_DEVKEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_DEVKEY], nl802154_devkey_policy, info->extack) < 0)
return -EINVAL;
@@ -1913,7 +1955,11 @@ static int nl802154_del_llsec_devkey(struct sk_buff *skb, struct genl_info *info
struct ieee802154_llsec_device_key key;
__le64 extended_addr;
- if (nla_parse_nested_deprecated(attrs, NL802154_DEVKEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_DEVKEY], nl802154_devkey_policy, info->extack))
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ return -EOPNOTSUPP;
+
+ if (!info->attrs[NL802154_ATTR_SEC_DEVKEY] ||
+ nla_parse_nested_deprecated(attrs, NL802154_DEVKEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_DEVKEY], nl802154_devkey_policy, info->extack))
return -EINVAL;
if (!attrs[NL802154_DEVKEY_ATTR_EXTENDED_ADDR])
@@ -1942,7 +1988,7 @@ static int nl802154_send_seclevel(struct sk_buff *msg, u32 cmd, u32 portid,
hdr = nl802154hdr_put(msg, portid, seq, flags, cmd);
if (!hdr)
- return -1;
+ return -ENOBUFS;
if (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex))
goto nla_put_failure;
@@ -1986,6 +2032,11 @@ nl802154_dump_llsec_seclevel(struct sk_buff *skb, struct netlink_callback *cb)
if (err)
return err;
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) {
+ err = skb->len;
+ goto out_err;
+ }
+
if (!wpan_dev->netdev) {
err = -EINVAL;
goto out_err;
@@ -2070,6 +2121,9 @@ static int nl802154_add_llsec_seclevel(struct sk_buff *skb,
struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
struct ieee802154_llsec_seclevel sl;
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ return -EOPNOTSUPP;
+
if (llsec_parse_seclevel(info->attrs[NL802154_ATTR_SEC_LEVEL],
&sl) < 0)
return -EINVAL;
@@ -2085,6 +2139,9 @@ static int nl802154_del_llsec_seclevel(struct sk_buff *skb,
struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
struct ieee802154_llsec_seclevel sl;
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ return -EOPNOTSUPP;
+
if (!info->attrs[NL802154_ATTR_SEC_LEVEL] ||
llsec_parse_seclevel(info->attrs[NL802154_ATTR_SEC_LEVEL],
&sl) < 0)
@@ -2098,11 +2155,7 @@ static int nl802154_del_llsec_seclevel(struct sk_buff *skb,
#define NL802154_FLAG_NEED_NETDEV 0x02
#define NL802154_FLAG_NEED_RTNL 0x04
#define NL802154_FLAG_CHECK_NETDEV_UP 0x08
-#define NL802154_FLAG_NEED_NETDEV_UP (NL802154_FLAG_NEED_NETDEV |\
- NL802154_FLAG_CHECK_NETDEV_UP)
#define NL802154_FLAG_NEED_WPAN_DEV 0x10
-#define NL802154_FLAG_NEED_WPAN_DEV_UP (NL802154_FLAG_NEED_WPAN_DEV |\
- NL802154_FLAG_CHECK_NETDEV_UP)
static int nl802154_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
struct genl_info *info)
@@ -2173,8 +2226,7 @@ static void nl802154_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
if (ops->internal_flags & NL802154_FLAG_NEED_WPAN_DEV) {
struct wpan_dev *wpan_dev = info->user_ptr[1];
- if (wpan_dev->netdev)
- dev_put(wpan_dev->netdev);
+ dev_put(wpan_dev->netdev);
} else {
dev_put(info->user_ptr[1]);
}
@@ -2448,6 +2500,7 @@ static struct genl_family nl802154_fam __ro_after_init = {
.module = THIS_MODULE,
.ops = nl802154_ops,
.n_ops = ARRAY_SIZE(nl802154_ops),
+ .resv_start_op = NL802154_CMD_DEL_SEC_LEVEL + 1,
.mcgrps = nl802154_mcgrps,
.n_mcgrps = ARRAY_SIZE(nl802154_mcgrps),
};
diff --git a/net/ieee802154/socket.c b/net/ieee802154/socket.c
index d93d4531aa9b..1fa2fe041ec0 100644
--- a/net/ieee802154/socket.c
+++ b/net/ieee802154/socket.c
@@ -41,8 +41,7 @@ ieee802154_get_dev(struct net *net, const struct ieee802154_addr *addr)
ieee802154_devaddr_to_raw(hwaddr, addr->extended_addr);
rcu_read_lock();
dev = dev_getbyhwaddr_rcu(net, ARPHRD_IEEE802154, hwaddr);
- if (dev)
- dev_hold(dev);
+ dev_hold(dev);
rcu_read_unlock();
break;
case IEEE802154_ADDR_SHORT:
@@ -129,7 +128,7 @@ static int ieee802154_dev_ioctl(struct sock *sk, struct ifreq __user *arg,
int ret = -ENOIOCTLCMD;
struct net_device *dev;
- if (copy_from_user(&ifr, arg, sizeof(struct ifreq)))
+ if (get_user_ifreq(&ifr, NULL, arg))
return -EFAULT;
ifr.ifr_name[IFNAMSIZ-1] = 0;
@@ -143,7 +142,7 @@ static int ieee802154_dev_ioctl(struct sock *sk, struct ifreq __user *arg,
if (dev->type == ARPHRD_IEEE802154 && dev->netdev_ops->ndo_do_ioctl)
ret = dev->netdev_ops->ndo_do_ioctl(dev, &ifr, cmd);
- if (!ret && copy_to_user(arg, &ifr, sizeof(struct ifreq)))
+ if (!ret && put_user_ifreq(&ifr, arg))
ret = -EFAULT;
dev_put(dev);
@@ -175,8 +174,8 @@ static int raw_hash(struct sock *sk)
{
write_lock_bh(&raw_lock);
sk_add_node(sk, &raw_head);
- sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
write_unlock_bh(&raw_lock);
+ sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
return 0;
}
@@ -201,8 +200,9 @@ static int raw_bind(struct sock *sk, struct sockaddr *_uaddr, int len)
int err = 0;
struct net_device *dev = NULL;
- if (len < sizeof(*uaddr))
- return -EINVAL;
+ err = ieee802154_sockaddr_check_size(uaddr, len);
+ if (err < 0)
+ return err;
uaddr = (struct sockaddr_ieee802154 *)_uaddr;
if (uaddr->family != AF_IEEE802154)
@@ -272,6 +272,10 @@ static int raw_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)
err = -EMSGSIZE;
goto out_dev;
}
+ if (!size) {
+ err = 0;
+ goto out_dev;
+ }
hlen = LL_RESERVED_SPACE(dev);
tlen = dev->needed_tailroom;
@@ -309,13 +313,13 @@ out:
}
static int raw_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
- int noblock, int flags, int *addr_len)
+ int flags, int *addr_len)
{
size_t copied = 0;
int err = -EOPNOTSUPP;
struct sk_buff *skb;
- skb = skb_recv_datagram(sk, flags, noblock, &err);
+ skb = skb_recv_datagram(sk, flags, &err);
if (!skb)
goto out;
@@ -329,7 +333,7 @@ static int raw_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
if (err)
goto done;
- sock_recv_ts_and_drops(msg, sk, skb);
+ sock_recv_cmsgs(msg, sk, skb);
if (flags & MSG_TRUNC)
copied = skb->len;
@@ -382,7 +386,7 @@ static int raw_getsockopt(struct sock *sk, int level, int optname,
}
static int raw_setsockopt(struct sock *sk, int level, int optname,
- char __user *optval, unsigned int optlen)
+ sockptr_t optval, unsigned int optlen)
{
return -EOPNOTSUPP;
}
@@ -423,10 +427,6 @@ static const struct proto_ops ieee802154_raw_ops = {
.recvmsg = sock_common_recvmsg,
.mmap = sock_no_mmap,
.sendpage = sock_no_sendpage,
-#ifdef CONFIG_COMPAT
- .compat_setsockopt = compat_sock_common_setsockopt,
- .compat_getsockopt = compat_sock_common_getsockopt,
-#endif
};
/* DGRAM Sockets (802.15.4 dataframes) */
@@ -458,8 +458,8 @@ static int dgram_hash(struct sock *sk)
{
write_lock_bh(&dgram_lock);
sk_add_node(sk, &dgram_head);
- sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
write_unlock_bh(&dgram_lock);
+ sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
return 0;
}
@@ -498,11 +498,14 @@ static int dgram_bind(struct sock *sk, struct sockaddr *uaddr, int len)
ro->bound = 0;
- if (len < sizeof(*addr))
+ err = ieee802154_sockaddr_check_size(addr, len);
+ if (err < 0)
goto out;
- if (addr->family != AF_IEEE802154)
+ if (addr->family != AF_IEEE802154) {
+ err = -EINVAL;
goto out;
+ }
ieee802154_addr_from_sa(&haddr, &addr->addr);
dev = ieee802154_get_dev(sock_net(sk), &haddr);
@@ -569,8 +572,9 @@ static int dgram_connect(struct sock *sk, struct sockaddr *uaddr,
struct dgram_sock *ro = dgram_sk(sk);
int err = 0;
- if (len < sizeof(*addr))
- return -EINVAL;
+ err = ieee802154_sockaddr_check_size(addr, len);
+ if (err < 0)
+ return err;
if (addr->family != AF_IEEE802154)
return -EINVAL;
@@ -609,6 +613,7 @@ static int dgram_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)
struct ieee802154_mac_cb *cb;
struct dgram_sock *ro = dgram_sk(sk);
struct ieee802154_addr dst_addr;
+ DECLARE_SOCKADDR(struct sockaddr_ieee802154*, daddr, msg->msg_name);
int hlen, tlen;
int err;
@@ -617,10 +622,20 @@ static int dgram_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)
return -EOPNOTSUPP;
}
- if (!ro->connected && !msg->msg_name)
- return -EDESTADDRREQ;
- else if (ro->connected && msg->msg_name)
- return -EISCONN;
+ if (msg->msg_name) {
+ if (ro->connected)
+ return -EISCONN;
+ if (msg->msg_namelen < IEEE802154_MIN_NAMELEN)
+ return -EINVAL;
+ err = ieee802154_sockaddr_check_size(daddr, msg->msg_namelen);
+ if (err < 0)
+ return err;
+ ieee802154_addr_from_sa(&dst_addr, &daddr->addr);
+ } else {
+ if (!ro->connected)
+ return -EDESTADDRREQ;
+ dst_addr = ro->dst_addr;
+ }
if (!ro->bound)
dev = dev_getfirstbyhwtype(sock_net(sk), ARPHRD_IEEE802154);
@@ -656,16 +671,6 @@ static int dgram_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)
cb = mac_cb_init(skb);
cb->type = IEEE802154_FC_TYPE_DATA;
cb->ackreq = ro->want_ack;
-
- if (msg->msg_name) {
- DECLARE_SOCKADDR(struct sockaddr_ieee802154*,
- daddr, msg->msg_name);
-
- ieee802154_addr_from_sa(&dst_addr, &daddr->addr);
- } else {
- dst_addr = ro->dst_addr;
- }
-
cb->secen = ro->secen;
cb->secen_override = ro->secen_override;
cb->seclevel = ro->seclevel;
@@ -700,7 +705,7 @@ out:
}
static int dgram_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
- int noblock, int flags, int *addr_len)
+ int flags, int *addr_len)
{
size_t copied = 0;
int err = -EOPNOTSUPP;
@@ -708,7 +713,7 @@ static int dgram_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
struct dgram_sock *ro = dgram_sk(sk);
DECLARE_SOCKADDR(struct sockaddr_ieee802154 *, saddr, msg->msg_name);
- skb = skb_recv_datagram(sk, flags, noblock, &err);
+ skb = skb_recv_datagram(sk, flags, &err);
if (!skb)
goto out;
@@ -723,7 +728,7 @@ static int dgram_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
if (err)
goto done;
- sock_recv_ts_and_drops(msg, sk, skb);
+ sock_recv_cmsgs(msg, sk, skb);
if (saddr) {
/* Clear the implicit padding in struct sockaddr_ieee802154
@@ -876,7 +881,7 @@ static int dgram_getsockopt(struct sock *sk, int level, int optname,
}
static int dgram_setsockopt(struct sock *sk, int level, int optname,
- char __user *optval, unsigned int optlen)
+ sockptr_t optval, unsigned int optlen)
{
struct dgram_sock *ro = dgram_sk(sk);
struct net *net = sock_net(sk);
@@ -886,7 +891,7 @@ static int dgram_setsockopt(struct sock *sk, int level, int optname,
if (optlen < sizeof(int))
return -EINVAL;
- if (get_user(val, (int __user *)optval))
+ if (copy_from_sockptr(&val, optval, sizeof(int)))
return -EFAULT;
lock_sock(sk);
@@ -986,12 +991,13 @@ static const struct proto_ops ieee802154_dgram_ops = {
.recvmsg = sock_common_recvmsg,
.mmap = sock_no_mmap,
.sendpage = sock_no_sendpage,
-#ifdef CONFIG_COMPAT
- .compat_setsockopt = compat_sock_common_setsockopt,
- .compat_getsockopt = compat_sock_common_getsockopt,
-#endif
};
+static void ieee802154_sock_destruct(struct sock *sk)
+{
+ skb_queue_purge(&sk->sk_receive_queue);
+}
+
/* Create a socket. Initialise the socket, blank the addresses
* set the state.
*/
@@ -1032,7 +1038,7 @@ static int ieee802154_create(struct net *net, struct socket *sock,
sock->ops = ops;
sock_init_data(sock, sk);
- /* FIXME: sk->sk_destruct */
+ sk->sk_destruct = ieee802154_sock_destruct;
sk->sk_family = PF_IEEE802154;
/* Checksums on by default */